Cita APA (7a ed.)

Westlake, M. (1975). Factoring (1st published.). Pitman.

Cita Chicago Style (17a ed.)

Westlake, Melvyn. Factoring. 1st published. London: Pitman, 1975.

Cita MLA (9a ed.)

Westlake, Melvyn. Factoring. 1st published. Pitman, 1975.